Zusammenfassung
Hintergrund
Der Beitrag stellt die möglichen Zusammenhänge zwischen körperlicher Aktivität und Prävention des Prostatakarzinoms durch Aufarbeitung der kontroversen Studienlage bestehend aus Kohorten- und Fall-Kontroll-Studien dar. Nach der bisherigen Datenlage gibt es keine eindeutige Beeinflussbarkeit der Inzidenz des Prostatakarzinoms durch körperliche Aktivität. In Studien mit präventiven Effekten werden Mechanismen postuliert, die dargestellt werden.
Material und Methode
Eine Literaturrecherche stellt schwerpunktmäßig die Ergebnissen der letzten 10 Jahre dar.
Ergebnisse
Wegen der Testosteronabhängigkeit des Prostatakarzinoms kommt der Modulation der Testosteronkonzentration besonders durch intensive körperliche Aktivität eine große Bedeutung zu. Der Zusammenhang zwischen Prostatakarzinom und Kalziumkonzentration im Blut, dem Parathormon und Vitamin D3 und deren Erhöhung durch körperliche Aktivität lassen einen weiteren Mechanismus vermuten. Weniger spezifisch ist die mögliche Verbesserung der antioxidativen Kapazität und der Steigerung der Immunkompetenz des Organismus. Krafttraining scheint hinsichtlich des Testosterons eher einen adversiven Effekt zu zeigen, während es sich günstig auf das Immunsystem auswirkt.
Schlussfolgerung
Körperliche Aktivität von höherer Intensität könnte zur Prävention des Prostatakarzinoms beitragen.
Abstract
Background
An explanation of the possible connection between physical activity and prevention of prostate cancer was sought by reviewing the controversial data from prospective and case-control studies. Possible preventive mechanisms are to be described.
Method
Scientific publications mainly from the past 10 years were reviewed.
Results
Because of the postulated dependence of prostate carcinoma on testosterone, lowering the testosterone concentration by physical activity is of importance and seems to be a possible explanation. According to many studies there is a speculative connection between prostate carcinoma and calcium concentration in blood, parathormone and vitamin D3, and the possibly preventive modulation by physical activity results in another beneficial mechanism. Less specific is the possible increase of the antioxidant capacity of the organism by physical activity. Strength training seems to have adverse effects on testosterone, while possibly yielding a beneficial effect on the immune system.
Conclusion
High intensive physical activity may contribute to the prevention of prostate carcinoma.
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Heitkamp, H., Jelas, I. Körperliche Aktivität zur Primärprävention des Prostatakarzinoms. Urologe 51, 527–532 (2012). https://doi.org/10.1007/s00120-011-2799-9
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DOI: https://doi.org/10.1007/s00120-011-2799-9